The Jabra Evolve 4993-823-309 20SE Mono Headset is a high-quality on-ear headset designed for comfortable use during long periods of time. With Bluetooth wireless technology, this headset allows for flexibility and convenience. The sleek black design complements any workspace, while the boom microphone ensures clear communication. This model (HSC016) is perfect for those seeking a reliable headset for their computer or desktop setup, offering a seamless connectivity experience through USB.